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    M101 06172012  ·  M101, the Pinwheel galaxy in the constellation Ursa Major. M101 is 15Mly from Earth. 20x300sec fits exposures captured and combined in Nebulosity v2.4.0 software. Finishing touches done in PhotoShop. Telescope: Orion 8" 1000mm f4.9 Newtonian reflector. Mount: Orion Atlas EQ-G Guide Scope: Meade 800mm f10 reduced to f5 with Atik x.5 focal length reducer (ADM rings). Imaging Camera: Canon Rebel T3i unmoded. Guide Camera: Meade DSI Pro monochrome 16bit camera. Imaging camera in prime focus. Filtration used: NA  ·  Date/Time 2012:06:24 15:08:02  ·  Resolution 1024 x 1097